Seiichi Yoshimoto, MD, PhD, graduated from the University of Tokyo in 1991 and completed his residency in otolaryngology at the same institution. In 1995, he joined the Department of Head and Neck Surgery at the Cancer Institute Hospital of the Japanese Foundation for Cancer Research (JFCR), and in 2001 he completed a clinical fellowship at the University of Pittsburgh. Since 2008, he has been affiliated with the National Cancer Center Hospital in Tokyo, where he was appointed Vice Director in 2021. In 2024, he assumed the presidency of the Japan Society for Head and Neck Cancer and currently serves on the Executive Committee of IFHNOS. He has authored 120 English-language papers, 121 Japanese-language papers, and 11 textbooks. His clinical and academic interests include sentinel node biopsy, head and neck sarcoma, open conservation surgery, skull base and upper mediastinal surgery, salvage surgery after chemoradiotherapy, surgical education, cancer registries, and terminal care for patients with head and neck cancer.